BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 15 31.2%
2 United States 10 20.8%
3 Germany 6 12.5%
4 Hong Kong 3 6.2%
5 Taiwan 3 6.2%
6 Canada 3 6.2%
7 Malaysia 2 4.2%
8 Singapore 2 4.2%
9 Spain 2 4.2%
10 United Kingdom 1 2.1%
11 Japan 1 2.1%